Which of the following actions should be taken if you accidently test a 406 MHz EPIRB in transmit mode?

Correct Answer: Option D — turn off the unit, contact the US Coast Guard and request that they contact the Rescue Coordination Center

If a 406 MHz EPIRB is accidentally activated in transmit mode, the operator must immediately turn it off and contact the USCG or local authorities to cancel the false distress alert with the appropriate Rescue Coordination Center.